Finding the Fourth Proportional to 930,708,092.16, 1,284,376,853.88 and 513,027,352.62
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Solution
The fourth proportional to 930,708,092.16, 1,284,376,853.88 and 513,027,352.62 is: 707,977,573.92
Step by Step Solution
- Step 1: Write the proportion equation
930,708,092.16 : 1,284,376,853.88 = 513,027,352.62 : x - Step 2: Convert to fraction form
930,708,092.16/1,284,376,853.88 = 513,027,352.62/x - Step 3: Cross multiply
930,708,092.16x = 1,284,376,853.88 × 513,027,352.62 - Step 4: Simplify right side
930,708,092.16x = 658,920,457,112,461,056 - Step 5: Solve for x
x = 658,920,457,112,461,056/930,708,092.16 - Step 6: Final answer
x = 707,977,573.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.